name of father in certificates

In all of my documents, my father's name is the same, but in my father's documents, it's different from mine. Is it okay? Or do I have to change all my documents? for example: 1) in my documents my father name is: MOHAMMED FAIZUDDIN. 2) in my FATHER'S service certificate it is :FAIZUDDIN. IN UPSC EXAMINATION IT MENTIONS ABOUT: (III) In case there is discrepancy between the name as recorded in the Matriculation Certificate and as entered in Degree and/or PG Degree, Internship Completion Certificate and/or other certificates (except caste certificate), the following steps must be taken:- (a) In case of minor discrepancy in the name of the candidate (or his/her father) due to a spelling error, {e.g. (Mohan and Mohun) or (R. Mathur and Ramesh Mathur)}, an affidavit in original may be produced at the time of PT Board to the effect that both the names belong to the same person. (b) In case of a major discrepancy related to the addition or deletion of part/parts of any name, {e.g. (Ram Kumar and Ram Kumar Singh) or (Ajay Kumar and Ajay Kumar Singh Rana)}, a Gazette notification may be produced at the time of PT Board to the effect that the person has changed his name henceforth.